32.11 Minimum Values for Utility Limits

The most restrictive limit permitted by POSIX.2 for the maximum value of
obase in the bc utility. Its value is 99.

_POSIX2_BC_DIM_MAX

The most restrictive limit permitted by POSIX.2 for the maximum size of
an array in the bc utility. Its value is 2048.

_POSIX2_BC_SCALE_MAX

The most restrictive limit permitted by POSIX.2 for the maximum value of
scale in the bc utility. Its value is 99.

_POSIX2_BC_STRING_MAX

The most restrictive limit permitted by POSIX.2 for the maximum size of
a string constant in the bc utility. Its value is 1000.

_POSIX2_COLL_WEIGHTS_MAX

The most restrictive limit permitted by POSIX.2 for the maximum number
of weights that can necessarily be used in defining the collating
sequence for a locale. Its value is 2.

_POSIX2_EXPR_NEST_MAX

The most restrictive limit permitted by POSIX.2 for the maximum number
of expressions nested within parenthesis when using the expr utility.
Its value is 32.

_POSIX2_LINE_MAX

The most restrictive limit permitted by POSIX.2 for the maximum size of
a text line that the text utilities can handle. Its value is
2048.

_POSIX2_EQUIV_CLASS_MAX

The most restrictive limit permitted by POSIX.2 for the maximum number
of weights that can be assigned to an entry of the LC_COLLATE
category ‘order’ keyword in a locale definition. Its value is
2. The GNU C Library does not presently support locale
definitions.